QUAKE II Mission Pack: Ground Zeroon Steam Discovery

What is QUAKE II Mission Pack: Ground Zero?

QUAKE II Mission Pack: Ground Zero is a
Action, FPS, Shooter PC game, developed by Rogue Entertainment, available on Steam and published by .

Take out the Big Gun sounded simple enough, except the Strogg were waiting. You, and a few marines like you, are the lucky ones. You've made it down in one piece and are still able to contact the fleet. The Gravity Well, the Strogg's newest weapon in its arsenal against mankind, is operational.